Thursday’s Thoughts

The subject today is the installation of a Model A rear crossmember in a Deuce chassis. Bobo and I visited the Kennedy Boy’s again and saw several versions of this classic installation. The Jalopy Journal has a lot of threads on this subject and they all differ in the approach. I am installing one in my sedan project and have encountered some problems that need solutions.

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Rear Model A crossmember was installed level with the frame and 112 1/2″ back from the center of the front crossmember. This provides the centering of the rear wheels. I hope that applies to A’s also.

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Bobo also had the master cylinder mount made and Deuce pedal set up for hydraulic brakes. Jason does nice work. Tig welding is super.

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Bobo installed the new SO-CAL bolt in front crossmember. He will weld it when finished with chassis.

I started the installation with the frame level in the main body location and leveled the crossmember to 0 degrees just as Henry did in the original. The center of the rear crossmember is exactly 6 1/2″ forward of the center of the rear axle housing. I am using a Winters Quickchange with 40 axle tubes. The distance between the front crossmember center and the rear one is 112 1/2″ which makes the wheelbase 106 1/2″. I have read where some people move the rear back 1/2″ to center the tires in the wheel wells. I don’t have a body yet so I have just tacked in the parts for mock up. On a highboy, I am not sure a 1/2″ would be noticeable.

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I am making my own spring hangers and using P&J ladder bars and brackets to secure the housing. I am also using coil over shock mounts just in case the A spring is too harsh for my old back. I built one of these chassis’s in the 70’s and never got to drive it so I am not sure of the ride it will produce. I don’t expect much but love the looks on a quick change rear end. Coil overs just don’t look correct too me. This is a picture of the mock up Ford 9 inch wagon rear end that can be swapped for the QC. Very versatile as I am not building anymore frames.

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I am installing ladder bars to the DF center crossmember. I always use P&J components as they have quality parts and I like the design.

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Walt’s Potvin roadster still has the perfect rear end. No fat in this one.

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Here is the Champ in my 33. Too big for a Deuce in my mind and don’t look period correct.

The final body choice will be what I can find for a decent amount of money. I prefer a sedan, but a Brookville is probably more in the budget.

Today’s Ride…Dreaming

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Ready for the run flatty powered Deuce at Trompers.

Stay Tooned!

Lynn

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